Improvement in solar cameras



NrrED STATES.

APATENT OEEIoE.

lorienter. E. JENNE, 0E oKoLoNA, MISSISSIPPI.l

IMPROVEMENT IN SOLAR CAMERAS.

Specification forming part of Letters Patent No. 184,526, dated November 21, 1876; application filed April 1s, 1876.

To all whom it may concern Be it known that I, GHANCY R. JENNE, of 0kolona, in the county of Chickasaw and State of Mississippi, have invented a new and Improved Solar Camera, of which the following is a speoieation:

My invention consists of a camera for taking and enlarging pictures from a photograph or any opaque object, and to be used by portrait-painters for making their drawings, the same being constructedand arranged as hereinafter described.

Figure l is a horizontal section ofl my iml.proved instrument, taken on the line .fc x of funnel-shaped tube A,'the inner walls of' which are parallel for four or v live inches, and for the rest diverge to the right and left at d. This piece b is provided with a screw, B, on the back side, projecting down far enough to adapt it to enter a notch in rod e, Fig. 5. No. 3 is a cover over mirror No.4. Said cover is provided with two springs, C C, to hold a picture when one wishes to make a reversed drawing. Mirror No. 4 is provided with two wings or doors, one on each side. These wings stand, when in position, parallel to the lens, and at an angle of forty-ve degrees to the mirror.

The picture is fastened to one of the wings No. 5 at forty-live degrees to the mirror No. 4, and is reiected in it, and is seen by the lens atgright angles to it, and is reproduced in a darkened room on a screen, canvas, or paper for exhibition ordrawin g purposes, quite plain enough to draw it correctly.

The instrument is fastened tov the windowsill, if it is not toolow, or to the right or left side casing by the use of a strip of plank, D, which is fastened temporarily to the top and bottom edges of the instrument with screws, then to the side casing by screws E, so that the front side G is just even with the inside of the casing.

The window is provided with an opaque screen, with a square hole just large enough to receive the end ofthe projecting tube, side Gr. When using a south window in the morning, attach to the right casing, using the right wing No. 5, with mirrors H projecting at the lett side, in position to illuminate the picture in the right-.wing mirror. Mirror No. 4 is changed by pressing and turning the thumbstud f, which liberates both from catch-bar by pushing down theY spring-support J.

The beveled piece K, at the bottom of wings N o. 5, is Amade vertically adjustable by means of a slot, screw-stud, and clampnut to adapt it for holding pictures of different lengths.

A glass is sometimes used to retain the moisture in a picture, for some-photographs reiiect, when dry, a multitude of' minute little brilliant specks, which are anannoyance to the one sketching.

Mirrors H H1 [-l2 are so arranged on sup port L and adjustable bed-piece M that they `can be adjusted in any position that the case may require. -In some cases the mirror has to stand with one corner the lowest, to make the illumination fall square on the photograph. The upper mirror isv first adjusted Vby turning the stand, and the rest brought to it.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. The combination of the adjustable mirrors H H1 H2, mirror 4, and the side wings 5,

substantiallylas specified.

2. The catch 6, spring-supportJ, and thumbstud f, combined with mirror 4, substantially as specified. j

3. The cover 3, with spring C, attached removably to mirror 4, substantially as specified.

4. The adjustable picture-holding' cleats K, combined with mirror 4, substantiallyas specied.

v OHANOY R. JENNE.

i Witnesses:

R. G. HUNTER, W. A. DANIEL. 

